
Available to mentor

Dr. Alexander serves as the Older Adult Falls Content Lead at the U-M Injury Prevention Center. He is the Ivan Duff Collegiate Professor of Geriatric and Palliative Medicine in the Department of Internal Medicine at University of Michigan (U-M), and Director of the VA Ann Arbor Health Care System (VAAAHSC) Geriatric Research Education and Clinical Center (GRECC). He is chair of the U-M Hospital Falls Committee and leader of the U-M Mobility Assessment and Enhancement (falls) clinic. He is also Director of the U-M Mobility Research Center which focuses on mobility in older adults, and co-leader of the NIA-funded U-M Older Americans Independence Center Biomechanics Core and leader of the Research Education Core both of which are committed to supporting junior faculty in developing assessment and intervention protocols for older adults.
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Center MemberCaswell Diabetes Institute
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Center Membere-Health and Artificial Intelligence Initiative
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Center MemberUniversity of Michigan Injury Prevention Center
Dr. Alexander has a special interest in exercise, mobility, falls and rehabilitation in older adults. The primary focus of his work is assessments and interventions to enhance mobility and physical activity in both able and disabled older adults, with studies of mechanisms underlying aerobic, strength, and balance function.
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Tapper EB, Nikirk S, Evon DM, Asrani S, Bloom P, Hynes JW, Alber JM, Gill A, Mehta S, Weinberg E, Alexander NB, Althuis K, Hoelscher A, Zhao L, Chen X, Burdzy A, Serper M. Hepatology Communications, 2025 Feb 19; 9 (3):Journal ArticleLIVE-SMART: A sequential, multiple assignment randomized trial to reduce falls in cirrhosis
DOI:10.1097/HC9.0000000000000626 PMID: 39969429 -
Chen L, Zanotto T, Fang J, Scharf E, Garcia N, Luzania A, Mukherjee R, Alexander NB, Sosnoff JJ. Journals of Gerontology - Series A Biological Sciences and Medical Sciences, 2025 Jan 1; 80 (1):Journal ArticleRole of the Upper Limb in Limiting Head Impact During Laboratory-Induced Falls in at Fall-Risk Older Adults
DOI:10.1093/gerona/glae267 PMID: 39501431 -
Lee Y, Alexander NB, Pompeii L, Nyquist LV, Madigan ML. Journal of the American Geriatrics Society, 2025 Jan 1; 73 (1): 193 - 198.Journal ArticleWrist-worn voice recorders capture the circumstances and context of losses of balance among community-dwelling older adults
DOI:10.1111/jgs.19148 PMID: 39151092 -
Dewar, MD, Dip. ABOM S, Janevic M, Batsis J, Alexander N. Journal of The American Geriatrics Society, 2024 Dec 13;Journal ArticleOlder adults with obesity: Need for 4Ms-Age friendly approach to care
DOI:10.1111/jgs.19353 -
Zanotto A, Zanotto T, Alexander NB, Sosnoff JJ. BMC Geriatrics, 2024 Dec 1; 24 (1):Journal ArticleViews and experiences of older people taking part in a safe-falling training program: Lessons learned from the FAlling Safely Training (FAST) trial
DOI:10.1186/s12877-024-05382-7 PMID: 39394576 -
Liebzeit D, Phillips KK, Hogikyan RV, Cigolle CT, Alexander NB. Research in Gerontological Nursing, 2024 Nov 1; 17 (6): 271 - 291.Journal ArticleA Pilot Home-Telehealth Program to Enhance Functional Ability, Physical Performance, and Physical Activity in Older Adult Veterans Post-Hospital Discharge
DOI:10.3928/19404921-20241105-01 PMID: 39589094 -
Farrell TW, Hogans BB, Moo L, Jump R, Markland A, Alessi C, Barczi S, Bej T, Bonomo RA, Butler J, Eleazer GP, Flinton P, Rupper RW, Supiano MA, Shaughnessy M, Alexander NB, Katzel L, Vaughan C, Hung W, Pallaki M, Schmader K, Yarrow J, Shorr R, Sullivan D, Jackson RM, Fink H, Bean J, Kado D, Handler S, Garcia JM, Restrepo MI, Dittus R. Journal of the American Geriatrics Society, 2024 Nov 1; 72 (11): 3315 - 3326.Journal ArticleImpact of Veterans Affairs Geriatric Research, Education, and Clinical Centers: Incubators of innovation in geriatrics
DOI:10.1111/jgs.19082 PMID: 39082830 -
Bullock GS, Duncan P, Chandler AM, Aguilar AA, Latham N, Storer T, Alexander N, McDonough CM. Journal of the American Geriatrics Society, 2024 Jun 1; 72 (6): 1810 - 1816.Journal ArticleDevelopment of an exercise therapy referral clinical support tool for patients with osteoporosis at risk for falls
DOI:10.1111/jgs.18796 PMID: 38344943